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Windows Font changed all of a sudden

Anonymous
2025-05-30T01:14:08+00:00

Hi,

I ordered two juices online.

Did not consume and sat in front of the laptop and the font changed automatically.

Had I drank those juices I would have thought it was due to the affect of the juice.

What can cause this to happen?

Where do I see events related to font change in laptop.

Should I file a case to know about this.

Thank you

Windows for home | Windows 10 | Install and upgrade

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  1. Anonymous
    2025-05-30T16:30:05+00:00

    Hi again,

    Thank you for the update! I'm glad to hear that your font settings have been changed and the issue you were experiencing is now resolved.

    If you have any other questions or run into anything else, feel free to ask!

    Best,

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  2. Anonymous
    2025-05-30T04:31:00+00:00

    Thank you for the response.

    Font settings have been changed now.

    The shortcut commands mentioned did change the font but the contrast.

    The issue was related to font and not the contrast.

    However, thank you again for your response on this.

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  3. Anonymous
    2025-05-30T03:15:28+00:00

    Hi again! Thanks for the update. Some font rendering and sync features may rely on Windows services that could be strict outbound rules.

    You might also want to check Settings > Personalization > Fonts > Font settings and reset to default if needed.

    Also, for accidental high contrast or accessibility triggers, you can enable or disable it by Left Alt + Left Shift + Print screen. Windows + Ctrl + C could toggle color filters if enabled in settings.

    Let me know how it goes.

    Best,

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  4. Anonymous
    2025-05-30T02:49:19+00:00

    Hi,

    Thank you for the response. Segeo UI is present in Fonts but not FontSubstitutes.

    I used chatgpt and suggested me to add Segoe UI in FontSubstitutes in Registry editor as it was missing.

    Among the reasons mentioned, I think it could have been due to the following as I have firewall in place and blocked all connections except the browser.

    > System font got corrupted or replaced due to a third-party app or theme.
    > High contrast or accessibility settings enabled accidentally. (May be due to electrical signals but still not sure what keys will change the font as I was not using keyboard when the font changed)

    Thank you

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  5. Anonymous
    2025-05-30T02:02:36+00:00

    Hello there, Engaged! This is Marc and thanks for reaching out the Microsoft community.

    Font changes on Windows can happen due to several reasons, most of them harmless.

    Here are some possible cause with sudden change of Fonts in your system:

    > Display scaling or resolution settings changed after a restart or update.

    > System font got corrupted or replaced due to a third-party app or theme.

    > High contrast or accessibility settings enabled accidentally.

    If you want to restore the default system font. Press Win+R, type regedit and press enter. From there navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Fonts and make sure default font entries like Segoe UI are not missing or altered.

    Please try these steps and let me know how it goes. If you run into any issues, just reply back with the details.

    Best regards,

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